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Trend Micro OfficeScan 8.0 Policy Server Denial of Service
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Secunia Advisory:
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SA29151
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Release Date:
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2008-02-28
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Last Update:
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2008-03-28
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Trend Micro OfficeScan Corporate Edition 8.x
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Description:
Luigi Auriemma has discovered a vulnerability in Trend Micro OfficeScan, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in PolicyServer.exe and can be exploited to cause the service to terminate via a HTTP request to the cgiABLogon.exe CGI module with a specially crafted, overly long "pwd" parameter. The service then restarts after a few seconds.
Successful exploitation requires that the Trend Micro Policy Server for Cisco NAC is installed.
Other errors e.g. NULL-pointer dereference errors in certain CGI modules when handling HTTP requests containing certain characters or with invalid "Content-Length" headers have also been reported.
The vulnerability is confirmed in version 8.0 with Patch 2 build 1189. Other versions may also be affected.
Solution:
Apply Critical Patch - Build 1242.
http://www.trendmicro.com/ftp/product...CE_8.0_Win_EN_CriticalPatch_B1242.exe
Provided and/or discovered by:
Luigi Auriemma
Changelog:
2008-03-28: Updated "Solution" section.
Original Advisory:
Trend Micro:
http://www.trendmicro.com/ftp/documen...Win_EN_CriticalPatch_B1242_readme.txt
Luigi Auriemma:
http://aluigi.altervista.org/adv/officescaz-adv.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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2 Related Secunia Security Advisories
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1. Trend Micro Scan Engine Tmxpflt.sys Privilege Escalation Vulnerability
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2. Trend Micro OfficeScan CGI Modules Buffer Overflow and Authentication Bypass
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